- var_dump: documentation ( source)
<?php
function refArray($arr)
{
var_dump($arr);
$refs = [];
foreach ($arr as $key => $value)
$refs[$key] = &$arr[$key];
var_dump($refs);
return $refs;
}
$arr = [3, "hello", 0.8, null];
$referenceArray = refArray($arr);
echo "----------------------\r\n";
var_dump($arr);
var_dump($referenceArray);